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java.lang.Objectorg.mozilla.jss.util.UTF8Converter
public class UTF8Converter
Class for converting between char arrays and byte arrays. The conversion is guaranteed (in optimized mode only) not to leave any data hanging around in memory unless there is a catastrophic VM error, which is useful for encoding passwords.
Constructor Summary | |
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UTF8Converter()
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Method Summary | |
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static void |
main(java.lang.String[] args)
Testing method |
static byte[] |
UnicodeToUTF8(char[] unicode)
Creates a new UTF8-encoded byte array representing the char[] passed in. |
protected static byte[] |
UnicodeToUTF8(char[] unicode,
boolean nullTerminate)
Do the work of the above functions. |
static byte[] |
UnicodeToUTF8NullTerm(char[] unicode)
Creates a new null-terminated UTF8-encoded byte array representing the char[] passed in. |
static void |
wipeBytes(byte[] array)
Wipes a byte array by setting all of its bytes to zero. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public UTF8Converter()
Method Detail |
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public static byte[] UnicodeToUTF8(char[] unicode) throws java.io.CharConversionException
This call is safe for passwords; all internal buffers are cleared. The output array is the owned by the caller, who has responsibility for clearing it.
See http://www.stonehard.com/unicode/standard/ for the UTF-16 and UTF-8 standards.
unicode
- An array of Unicode characters, which may have UCS4
characters encoded in UTF-16. This array must not be null.
java.io.CharConversionException
- If the input characters are invalid.public static byte[] UnicodeToUTF8NullTerm(char[] unicode) throws java.io.CharConversionException
This call is safe for passwords; all internal buffers are cleared. The output array is the owned by the caller, who has responsibility for clearing it.
See http://www.stonehard.com/unicode/standard/ for the UTF-16 and UTF-8 standards.
unicode
- An array of Unicode characters, which may have UCS4
characters encoded in UTF-16. This array must not be null.
java.io.CharConversionException
- If the input characters are invalid.protected static byte[] UnicodeToUTF8(char[] unicode, boolean nullTerminate) throws java.io.CharConversionException
java.io.CharConversionException
public static void wipeBytes(byte[] array)
array
- The input array must not be null.public static void main(java.lang.String[] args)
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